Airtac SI125 Standard Cylinder SI125X400SFA
2. Piston features bidirectional Y-seal structure with cushioning function, offering extended service life and low friction resistance;
3. Aluminum barrel with cruciform reinforcement and black-anodized piston rod for enhanced corrosion resistance;
4. Precision machined cylinder surface ensures smooth operation;
5. Multiple cylinder specifications and mounting accessories available for flexible configurations.
Category: Standard Cylinders | Brand: AIRTAC | Series: SI125
AirTAC SI125X400SFA Standard Cylinder Specifications
- Model: SI125X400SFA
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 400 mm (±1.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Piston rod diameter: 40 mm (chrome-plated steel)
- Port size: G1/2 (ISO 228 standard)
- Max theoretical thrust: 12,272N @1.0MPa
- Max speed: 1.0 m/s (with cushioning)
- Ambient temperature: -20℃ to 80℃
- Seal material: NBR (standard), optional PU for high-speed
- Mounting type: Front flange (MF1) with integrated mounting holes
- Weight: 14.8 kg (with standard accessories)
- Dimensions:
- Total length: 718 mm (stroke 400 + base length)
- Body diameter: 136 mm (cylinder tube OD)
- Mounting flange: 220×220 mm
- ISO compatibility: Meets ISO 6431, VDMA 24562 standards
High-power industrial cylinder with precision honed aluminum alloy tube and hardened anodized surface treatment. Features wear-resistant guide bushings and integrated magnetic sensor slots (sensors not included). Designed for heavy-duty cycles with 5,000km minimum service life under rated conditions. Requires 40μm filtered lubricated air (ISO 8573-1 class 4).
- Automotive press line material handling
- Foundry equipment actuation systems
- Plastic injection molding machine ejectors
- Steel coil handling manipulators
- Paper mill roller positioning
Installation note:
For vertical mounting, use rod-down orientation to prevent piston drift.
Apply anti-vibration washers when mounting on moving platforms.
Minimum 3x bore size center distance required between parallel cylinders.
| Property | Property Value |
|---|---|
| sku | SI125X400SFA |
| Seal Material | Polyurethane |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature: -20°C to 80°C Speed Range: 30-500 mm/s |
| Port Size | PT 1/2 |
| Piston Rod Material | Medium Carbon Steel |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | <400mm> |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.